Home / 219,498.70-329,357.40-124,801.60

Finding the Fourth Proportional to 219,498.70, 329,357.40 and 124,801.60

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Solution

The fourth proportional to 219,498.70, 329,357.40 and 124,801.60 is: 187,264.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,498.70 : 329,357.40 = 124,801.60 : x
  2. Step 2: Convert to fraction form
    219,498.70/329,357.40 = 124,801.60/x
  3. Step 3: Cross multiply
    219,498.70x = 329,357.40 × 124,801.60
  4. Step 4: Simplify right side
    219,498.70x = 41,104,330,491.84
  5. Step 5: Solve for x
    x = 41,104,330,491.84/219,498.70
  6. Step 6: Final answer
    x = 187,264.57

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.